Following the obligatory pre-transfer medical in Munich, Lewandowski signed a five-year contract keeping him at FCB until 30 June 2019. The club was represented by chairman Karl-Heinz Rummenigge and board director for sport Matthias Sammer, with the player represented by his agents Cezary Kucharski and Maik Barthel.

"We’re very pleased about completing this transfer,” commented FC Bayern Munich AG chairman Karl-Heinz Rummenigge. “Robert Lewandowski is one of the best strikers in the world. He will strengthen the Bayern squad and give us another boost. We’re delighted both parties have today signed a five-year contract until 2019.”

The Daily Mirror reports the news, which comes courtesy of German newspaper Bild:

Borussia Dortmund's Robert Lewandowski has signed a five-year contract with Bayern Munich, according to reports in Germany.

German newspaper Bild carries the claim today, are there are reports the Polish striker will earn €11million-per-year at the Allianz Arena.

According to the reports, he will undergo a medical on Saturday.

Like teammate Mario Goetze, Lewandowski is leaving Dortmund to join the club's bitter rival, Bayern Munich, signing a contract that will kick in at the end of the summer.

Lewandowski has again been excellent this season, with 11 goals and four assists in 16 Bundesliga games. He has 15 goals in all competitions for Dortmund, and seems primed to eclipse the 30-goal mark for the third straight year.

His strength is his versatility and ability to score goals in a number of ways.

He can run into channels and slip past defenders with solid pace, beat players one-on-one or hold up play in the attacking build-up. He can also score from distance, poach goals inside the box with his head or feet, volley home shots with the best in the world and create space for himself in cramped quarters.

Given his four assists this season, he can also set the table for his teammates.

Alongside Goetze and Marco Reus, he gave Borussia Dortmund one of the most dangerous attacking trios in club football, a huge reason why they advanced to the Champions League final and won two Bundesliga titles in a row before Bayern Munich completely dominated the league last season.

But over the summer, it became obvious that Lewandowski wanted make the switch, and Bayern's dominance atop the table again this year certainly won't deter that choice.

At Bayern he will have to prove himself all over again, however, as the Bavarian club has a wealth of attacking options. Then again, given his form over the past two-and-a-half seasons for Borussia Dortmund, it probably wouldn't be wise to bet against him.